<template>
	<div :class="className" :style="{ height: height, width: width }" />
</template>

<script>
import * as echarts from 'echarts';
require('echarts/theme/macarons'); // echarts theme
import resize from './mixins/resize';

const animationDuration = 6000;

export default {
	mixins: [resize],
	props: {
		className: {
			type: String,
			default: 'chart',
		},
		width: {
			type: String,
			default: '100%',
		},
		height: {
			type: String,
			default: '300px',
		},
	},
	data() {
		return {
			chart: null,
		};
	},
	mounted() {
		this.$nextTick(() => {
			this.initChart();
		});
	},
	beforeDestroy() {
		if (!this.chart) {
			return;
		}
		this.chart.dispose();
		this.chart = null;
	},
	methods: {
		initChart() {
			this.chart = echarts.init(this.$el, 'macarons');

			this.chart.setOption({
				tooltip: {
					trigger: 'axis',
					axisPointer: {
						// 坐标轴指示器，坐标轴触发有效
						type: 'shadow', // 默认为直线，可选为：'line' | 'shadow'
					},
				},
				grid: {
					top: 10,
					left: '2%',
					right: '2%',
					bottom: '3%',
					containLabel: true,
				},
				xAxis: [
					{
						type: 'category',
						data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'],
						axisTick: {
							alignWithLabel: true,
						},
					},
				],
				yAxis: [
					{
						type: 'value',
						axisTick: {
							show: false,
						},
					},
				],
				series: [
					{
						name: 'pageA',
						type: 'bar',
						stack: 'vistors',
						barWidth: '60%',
						data: [79, 52, 200, 334, 390, 330, 220],
						animationDuration,
					},
					{
						name: 'pageB',
						type: 'bar',
						stack: 'vistors',
						barWidth: '60%',
						data: [80, 52, 200, 334, 390, 330, 220],
						animationDuration,
					},
					{
						name: 'pageC',
						type: 'bar',
						stack: 'vistors',
						barWidth: '60%',
						data: [30, 52, 200, 334, 390, 330, 220],
						animationDuration,
					},
				],
			});
		},
	},
};
</script>
